ass日本风韵熟妇pics男人扒开女人屁屁桶到爽|扒开胸露出奶头亲吻视频|邻居少妇的诱惑|人人妻在线播放|日日摸夜夜摸狠狠摸婷婷|制服 丝袜 人妻|激情熟妇中文字幕|看黄色欧美特一级|日本av人妻系列|高潮对白av,丰满岳妇乱熟妇之荡,日本丰满熟妇乱又伦,日韩欧美一区二区三区在线

Cycle fuel injection quantity fluctuation of electronic unit pump (EUP) determines the coherence and stability of the EUP fuel injection system. The simulation model of EUP was established in the AMESim environment, and the method of simulation experiment was designed by using the design of experiments (DOE) method. The result obtained by the simulation revealed the variation law of correlation under parameters interaction or not respectively in the overall operating conditions. The result shows that the EUP system is a complex nonlinear system. In the overall operating conditions the characteristic parameters such as fuel supply pressure, cam profile velocity, control valve lift, injector opening pressure, and injector needle lift as well as the injector flow coefficient have remarkable correlation with the cycle fuel injection quantity when there is no interaction between parameters. The second order factors under self interaction of parameters are the most remarkable second order factors when the interaction between parameters is considered.